English
Related papers

Related papers: Multifractal analysis for conformal graph directed…

200 papers

Multifractal systems usually have singularity spectra defined on bounded sets of H\"older exponents. As a consequence, their associated multifractal scaling exponents are expected to depend linearly upon statistical moment orders at high…

Fluid Dynamics · Physics 2021-06-30 L. Moriconi

A multifractal analysis (MFA) is performed on three-dimensional grayscale images associated with natural porous structures (soil samples). First, computed tomography (CT) scans are carried out on the samples to generate 3D grayscale images.…

Data Analysis, Statistics and Probability · Physics 2016-05-22 Lorenzo Milazzo , Radoslaw Pajor

We conduct the multifractal analysis of self-affine measures for "almost all" family of affine maps. Besides partially extending Falconer's formula of $L^q$-spectrum outside the range $1< q\leq 2$, the multifractal formalism is also…

Classical Analysis and ODEs · Mathematics 2012-10-18 Julien Barral , De-Jun Feng

Building upon [1], this study aims to introduce fractal geometry into graph theory, and to establish a potential theoretical foundation for complex networks. Specifically, we employ the method of substitution to create and explore…

Dynamical Systems · Mathematics 2024-05-29 Nero Ziyu Li

Let $\{a_n(x)\}_{n\geq1}$ be the sequence of digits of $x\in(0,1)$ in infinite iterated function systems with polynomial decay of the derivative. We first study the multifractal spectrum of the convergence exponent defined by the sequence…

Dynamical Systems · Mathematics 2025-01-16 Kunkun Song , Mengjie Zhang

Topics concerning metric dimension related invariants in graphs are nowadays intensively studied. This compendium of combinatorial and computational results on this topic is an attempt of surveying those contributions that are of the…

Combinatorics · Mathematics 2021-07-13 Dorota Kuziak , Ismael G. Yero

Various methods have been developed independently to study the multifractality of measures in many different contexts. Although they all convey the same intuitive idea of giving a "dimension" to sets where a quantity scales similarly within…

Data Analysis, Statistics and Probability · Physics 2017-03-08 Hadrien Salat , Roberto Murcio , Elsa Arcaute

A diffusion taking value in probability measures on a graph with a vertex set $V$, $\sum_{i\in V}x_i\delta_i$, is studied. The masses on each vertices satisfy the stochastic differential equation of the form $dx_i=\sum_{j\in…

Probability · Mathematics 2023-03-13 Shuhei Mano

We describe the multifractal nature of random weak Gibbs measures on some class of attractors associated with $C^1$ random dynamics semi-conjugate to a random subshift of finite type. This includes the validity of the multifractal…

Dynamical Systems · Mathematics 2016-08-02 Zhihui Yuan

Multifractal analysis has become a powerful signal processing tool that characterizes signals or images via the fluctuations of their pointwise regularity, quantified theoretically by the so-called multifractal spectrum. The practical…

Functional Analysis · Mathematics 2018-11-09 Roberto Leonarduzzi , Patrice Abry , Herwig Wendt , Stéphane Jaffard , Hugo Touchette

We consider infinite graph-directed iterated function systems (GIFSs) whose contraction mappings are nonconformal. As our main result, we formulate asymptotic perturbations from conformal GIFSs to nonconformal GIFSs, and give the asymptotic…

Dynamical Systems · Mathematics 2023-07-21 Haruyoshi Tanaka

Any Borel probability measure supported on a Cantor set of zero Lebesgue measure on the real line possesses a discrete inverse measure. We study the validity of the multifractal formalism for the inverse measures of random weak Gibbs…

Dynamical Systems · Mathematics 2017-06-06 Zhihui Yuan

Many complex systems generate multifractal time series which are long-range cross-correlated. Numerous methods have been proposed to characterize the multifractal nature of these long-range cross correlations. However, several important…

Statistical Finance · Quantitative Finance 2015-10-14 Wen-Jie Xie , Zhi-Qiang Jiang , Gao-Feng Gu , Xiong Xiong , Wei-Xing Zhou

Multifractal analysis techniques are applied to patterns in several abstract expressionist artworks, paintined by various artists. The analysis is carried out on two distinct types of structures: the physical patterns formed by a specific…

Popular Physics · Physics 2015-06-26 J. R. Mureika , C. C. Dyer , G. C. Cupchik

We study new relations between countable iterated function systems (IFS) with overlaps, Smale endomorphisms and random systems with complete connections. We prove that stationary measures for countable conformal IFS with overlaps and…

Dynamical Systems · Mathematics 2022-02-16 Eugen Mihailescu , Mariusz Urbanski

Generalized dimensions of multifractal measures are usually seen as static objects, related to the scaling properties of suitable partition functions, or moments of measures of cells. When these measures are invariant for the flow of a…

Dynamical Systems · Mathematics 2019-10-02 Théophile Caby , Davide Faranda , Giorgio Mantica , Sandro Vaienti , Pascal Yiou

In this paper we introduce and develop the theory of non-autonomous graph directed Markov systems which is a generalization of the theory of conformal graph directed Markov systems of Mauldin and Urba\'nski, first presented in their book,…

Dynamical Systems · Mathematics 2017-07-03 Jason Atnip

We examine several characteristics of conformal maps that resemble the variance of a Gaussian: asymptotic variance, the constant in Makarov's law of iterated logarithm and the second derivative of the integral means spectrum at the origin.…

Complex Variables · Mathematics 2016-04-20 Oleg Ivrii

We consider the multifractal formalism for the dynamics of semigroups of rational maps on the Riemann sphere and random complex dynamical systems. We elaborate a multifractal analysis of level sets given by quotients of Birkhoff sums with…

Dynamical Systems · Mathematics 2015-07-14 Johannes Jaerisch , Hiroki Sumi

We are interested to the multifractal analysis of inhomogeneous Bernoulli products which are also known as coin tossing measures. We give conditions ensuring the validity of the multifractal formalism for such measures. On another hand, we…

Classical Analysis and ODEs · Mathematics 2015-05-27 Athanasios Batakis , Benoit Testud